| Countries with the Most Christians | 0 | - | 4.93 | 123,499 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 74,160 |
| Catholic Countries Quiz | 0 | - | 4.81 | 198,891 |
| Countries with the Most Catholics | 0 | - | 4.91 | 94,974 |
| Orthodox Countries | 0 | - | 4.91 | 118,965 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 99,759 |
| Countries with the Most Cathedrals | 0 | - | 4.50 | 35,264 |
| African Countries with the Most Christians | 0 | - | 4.92 | 68,164 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 182,318 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 116,599 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 117,062 |
| Top Five Countries by Religion | 0 | - | 4.90 | 144,799 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 69,231 |
| Top 10 Richest Countries in Asia | 0 | - | 4.87 | 82,826 |
| Top 10 Richest Countries in Africa | 0 | - | 4.87 | 68,657 |
| Top 10 Richest Countries in Europe | 0 | - | 4.88 | 136,926 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,522,692 |
| Majority Muslim Countries | 0 | - | 4.97 | 316,254 |
| Buddhist Countries | 0 | - | 4.97 | 131,814 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 331,470 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,143,128 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,207,188 |
| Monarchies of Europe | 0 | - | 4.88 | 87,821 |
| Monarchies of Asia | 0 | - | 4.95 | 54,588 |
| Countries with the Most Muslims | 0 | - | 4.93 | 133,089 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 66,706 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 84,933 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 38,207 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 122,692 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 92,871 |
| Catholic Countries in Europe | 0 | - | 4.87 | 84,895 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,682 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 360,486 |
| Members of the Arab League | 0 | - | 4.85 | 65,235 |
| Island Countries Quiz | 0 | - | 4.99 | 666,359 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,404 |
| Himalayan Countries | 0 | - | 4.94 | 107,543 |
| Andean Countries | 0 | - | 4.91 | 59,732 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,798 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,485 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,864 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,666 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,986 |
| Danube Countries | 0 | - | 4.96 | 57,076 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,093 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,181 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,304 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,117 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,415 |
| European Landlocked Countries | 0 | - | 4.99 | 136,794 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,522 |
| Countries with the Most Species | 0 | - | 4.99 | 89,769 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,014 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,919 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,224 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,828 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,750 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,004 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,693 |
| Countries in the Alps | 0 | - | 4.84 | 103,522 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,137 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,789 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,080 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,151 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,665 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,124 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,285 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,600 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,597 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,202 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,960 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,896 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,918 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,334 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,474 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,044 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,842 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,783 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,862 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 200,618 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,620 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,679 |
| Largest Countries By Category | 0 | - | 4.97 | 146,033 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,207 |
| Biggest Countries by Area | 0 | - | 5.00 | 943,150 |
| Northernmost Countries | 0 | - | 4.99 | 330,052 |
| Countries of South America | 0 | - | 5.00 | 805,258 |
| Countries of Oceania | 0 | - | 5.00 | 907,646 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,600,012 |
| Top 10 Most Islamic European Countries | 0 | - | 4.69 | 137,795 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 181,025 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 110,805 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 103,186 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 82,501 |
| Biblical Geography | 0 | - | 4.37 | 64,353 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,323,546 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,323 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,147 |
| Countries with Megacities | 0 | - | 4.99 | 200,562 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 174,322 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,305 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,480 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,314 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,509 |
| Countries by Official Language | 0 | - | 4.96 | 174,560 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,947 |
| Countries in their Native Language | 0 | - | 4.98 | 179,711 |
| Independence from Whom | 0 | - | 4.99 | 188,129 |
| Subdivisions by Country | 0 | - | 4.82 | 46,766 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 114,981 |
| Megadiverse Countries | 0 | - | 4.96 | 126,311 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,874 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,304 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,695 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,611 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,651 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,141 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,814 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,510 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,738 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,695 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,057 |
| African Countries with the Most Muslims | 0 | - | 4.76 | 81,793 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,219 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,101,748 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,373 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,020 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,189 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,452 |
| Countries With the Most Languages | 0 | - | 4.91 | 176,444 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,409 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,702 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 87,789 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 54,778 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,262 |
| Widest Countries East to West | 0 | - | 4.93 | 120,227 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,046 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,074 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,556 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,104 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,325 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,275 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,931 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,690 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,305 |
| Countries with Double Letters | 0 | - | 4.96 | 71,071 |
| Countries that End in N | 0 | - | 4.94 | 135,315 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 232,648 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 189,788 |
| Countries with W | 0 | - | 4.96 | 125,093 |
| Countries with Z | 0 | - | 4.98 | 263,103 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,161 |
| Countries That End in U | 0 | - | 4.95 | 109,034 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 91,757 |
| Countries that End in O | 0 | - | 4.92 | 148,337 |
| Countries that End in R | 0 | - | 4.85 | 97,137 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,880 |
| Countries Ending in "IA" | 0 | - | 4.99 | 173,332 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,246 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,373 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,307 |
| Countries That End in Y | 0 | - | 4.90 | 162,181 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,421 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 122,002 |
| Countries that End in I | 0 | - | 4.92 | 115,038 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,110 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,135 |
| Countries That End in NIA | 0 | - | 4.93 | 101,548 |
| Countries That End in BIA | 0 | - | 4.91 | 126,978 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 154,694 |
| Countries Whose Names Start with Saint | 0 | - | 4.89 | 110,613 |
| Countries That End in RIA | 0 | - | 4.90 | 101,639 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,335 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 203,587 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 121,086 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 112,147 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 78,744 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,436 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 41,955 |
| Countries that End in L | 0 | - | 4.95 | 135,500 |
| "Land" Countries | 0 | - | 4.98 | 291,680 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 190,795 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 81,280 |
| City to Country Quiz #1 | 0 | - | 4.94 | 135,038 |
| City to Country Quiz #3 | 0 | - | 4.86 | 100,811 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 72,302 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 210,259 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 169,487 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 117,413 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 134,340 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 195,637 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 141,910 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 66,389 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.84 | 103,008 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 83,012 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 57,121 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 67,956 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,448,322 |
| One Border Countries | 0 | - | 4.98 | 413,871 |
| Biggest Trading Partners - European Union | 0 | - | 4.90 | 65,681 |
